??????????C919??????ARJ21?

????:???????:??????????

???11????????????????2??? (??? ???????????????????)??2?(?)??,?2024??????,?C919??ARJ21?,????“?”??

11????2??????,????????????????C919????ARJ21?????????? ??????

??,??ARJ21???????C919??????????,??????????,????????????????????ARJ21???C919?,??

???,ARJ21??????????????,C919????????

??,??,???????

??????,ARJ21??????????150?????????,??600?????????????,????150???,?1700??????C919??????????????11???,?9??????,????7???,??????70???

??,C919???ARJ21????????????,????????????????????

11????????2???????????,???????????????????? ???????

????????????????????2024????????,??????,??1:20???????????????????C919?C929???1:20????ARJ21???,???????????1:32?ARJ21???????????????????????????,C919???/????(?????)

???:????????